North America Native Plant

Prairie Spiderwort

Botanical name: Tradescantia occidentalis var. melanthera

USDA symbol: TROCM

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Prairie Spiderwort: A Hidden Gem for Southern Native Gardens If you’re looking to add a touch of authentic regional character to your garden, prairie spiderwort (Tradescantia occidentalis var. melanthera) might just be the native wildflower you’ve been searching for. This charming perennial brings the essence of the American prairie right ...

Prairie Spiderwort: A Hidden Gem for Southern Native Gardens

If you’re looking to add a touch of authentic regional character to your garden, prairie spiderwort (Tradescantia occidentalis var. melanthera) might just be the native wildflower you’ve been searching for. This charming perennial brings the essence of the American prairie right to your backyard, offering both beauty and ecological benefits that make it a worthy addition to any native plant collection.

What Is Prairie Spiderwort?

Prairie spiderwort is a native perennial forb that belongs to the spiderwort family. As a forb, it’s a non-woody plant that dies back to the ground each winter but returns reliably each spring from its underground root system. This hardy little plant represents the resilient spirit of America’s native grasslands, having evolved alongside the region’s natural ecosystems for thousands of years.

Where Prairie Spiderwort Calls Home

This native beauty has a relatively focused range, naturally occurring in just four states across the south-central United States: Arkansas, Louisiana, Oklahoma, and Texas. If you’re gardening in any of these states, you have the privilege of growing a plant that truly belongs to your local landscape.

Why Choose Prairie Spiderwort for Your Garden?

There are several compelling reasons to consider adding prairie spiderwort to your native plant garden:

  • True regional native: Supporting plants that naturally occur in your area helps maintain local biodiversity
  • Low maintenance: As a perennial, it returns year after year with minimal fuss
  • Authentic prairie character: Adds genuine wildflower appeal to naturalized areas
  • Ecological connections: Supports the web of native insects, birds, and other wildlife that co-evolved with it

Garden Design and Landscape Uses

Prairie spiderwort works beautifully in several garden settings:

  • Native plant gardens: Perfect for authentic regional plantings
  • Prairie restoration projects: Ideal for recreating natural grassland ecosystems
  • Naturalized areas: Great for less formal garden spaces where you want a wild, natural look
  • Wildlife gardens: Contributes to habitat creation for native species

Growing Prairie Spiderwort Successfully

While specific growing requirements for this particular variety aren’t extensively documented, spiderworts as a group are generally adaptable and relatively easy to grow. Since this is a prairie native from the south-central states, it likely prefers:

  • Full sun to partial shade conditions
  • Well-draining soil (prairie plants typically don’t like wet feet)
  • Tolerance for heat and humidity typical of its native range
  • Moderate water needs once established

A Note on Availability

Because prairie spiderwort has a relatively limited natural range and isn’t as commonly cultivated as some other native plants, you might need to seek out specialty native plant nurseries or native plant society sales to find it. This makes it somewhat of a treasure for dedicated native plant gardeners!

The Bottom Line

Prairie spiderwort represents the kind of authentic, regionally appropriate plant that makes native gardening so rewarding. If you’re gardening in Arkansas, Louisiana, Oklahoma, or Texas and want to create landscapes that truly reflect your local natural heritage, this perennial forb deserves a place in your garden plans. While it might take a bit of effort to source, the satisfaction of growing a plant that belongs exactly where you’re gardening makes the search worthwhile.

Remember, choosing native plants like prairie spiderwort isn’t just about having a beautiful garden—it’s about being a steward of your local ecosystem and preserving the botanical heritage that makes your region unique.

Prairie Spiderwort

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Commelinidae

Order

Commelinales

Family

Commelinaceae Mirb. - Spiderwort family

Genus

Tradescantia L. - spiderwort

Species

Tradescantia occidentalis (Britton) Smyth - prairie spiderwort

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA